Home / 70,961.25-106,463.97-21,041.61

Finding the Fourth Proportional to 70,961.25, 106,463.97 and 21,041.61

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Solution

The fourth proportional to 70,961.25, 106,463.97 and 21,041.61 is: 31,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,961.25 : 106,463.97 = 21,041.61 : x
  2. Step 2: Convert to fraction form
    70,961.25/106,463.97 = 21,041.61/x
  3. Step 3: Cross multiply
    70,961.25x = 106,463.97 × 21,041.61
  4. Step 4: Simplify right side
    70,961.25x = 2,240,173,335.79
  5. Step 5: Solve for x
    x = 2,240,173,335.79/70,961.25
  6. Step 6: Final answer
    x = 31,568.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.